/* 公開Galleryと編集画面で同じ配置を使用する。 */
.ai-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-rows: auto;
    gap: 8px;
    max-width: 1100px;
    margin: 0 auto;
    padding-bottom: 40px;
}
.gallery-item {
    position: relative;
    display: block;
    min-width: 0;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    background: #ddd;
}
.ai-grid img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 8px;
    background: #ddd;
    display: block;
}
.ai-grid .large {
    grid-column: span 2;
    grid-row: span 2;
}
a.gallery-item:hover img {
    opacity: 0.9;
}
a.gallery-item:focus-visible {
    outline: 3px solid #546a61;
    outline-offset: 2px;
}
.gallery-item img[hidden] {
    display: none;
}
@media (max-width: 900px) {
    .ai-grid {
        max-width: 98vw;
    }
}
@media (max-width: 600px) {
    .ai-grid {
        max-width: 99vw;
    }
}